TOKYO - Four-division world champion Kosei Tanaka has called time on his professional career at the age of 29 due to repeated eye injuries, the Japanese fighter said.

NAGOYA (Kyodo) -- Four-division world boxing champion Kosei Tanaka of Japan announced his retirement Wednesday, citing issues with his eyes.

Japan's Kosei Tanaka - the quickest fighter to win world titles in four weight divisions - has retired from boxing because of repeated eye injuries. The 29-year-old collected WBO belts at ...

Kosei Tanaka has been suffering with eye problems since 2021 Japan's Kosei Tanaka - the quickest fighter to win world titles in four weight divisions - has retired from boxing because of repeated ...

2025's Best of the Super Juniors came to a close on Sunday, as over 3,000 people attended the finals at the Ota City General Gymnasium in Tokyo, Japan. After three weeks of action stretching back ...

Kosei Fujita was ultimately victorious, pinning YOH to win the tournament after 28 minutes of action in the finals. Fujita is now the youngest Best of the Super Juniors winner in NJPW history at 22 ...

The A Block winner of the Best of the Super Juniors 32 has been determined. Kosei Fujita advanced on a tie-breaker from a five way logjam at 10 points atop A Block. His wins over Hiromu Takahashi, ...